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package org.glassfish.jersey.tests.integration.jersey2184;

import java.util.HashSet;
import java.util.Set;

import javax.ws.rs.core.Application;
import javax.ws.rs.core.Context;

import javax.servlet.ServletContext;

/**
 * Test Application subclass for JERSEY-2184 integration test.
 *
 * Tests the ability to inject {@link ServletContext} into application subclass constructor
 * @author Adam Lindenthal (adam.lindenthal at oracle.com)
 */
public class App extends Application {

    /** constructor-injected servletContext */
    private ServletContext ctx;

    public App(@Context ServletContext servletContext) {
        this.ctx = servletContext;
    }

    @Override
    public Set<Class<?>> getClasses() {
        HashSet<Class<?>> classes = new HashSet<>();
        String dynamicClassName = ctx.getInitParameter("dynamicClassName");
        Class<?> clazz = null;
        if (classes.isEmpty()) {
            try {
                clazz = Class.forName(dynamicClassName);
            } catch (ClassNotFoundException e) {
                // swallow the exception - if class is not loaded, the integration test will fail
            }

            if (clazz != null) {
                classes.add(clazz);
            }
        }
        return classes;
    }
}
